Lift truck



FIG. 1 is a front plan view showing my new design;

FIG. 2 is a rear plan view;

FIG. 3 is a top plan view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a front side perspective view; and,

FIG. 7 is a rear side perspective view. 

The ornamental design for “lift truck,” as shown and described. 